WARNING: line length of 87 exceeds 80 columns
#36: FILE: tools/testing/selftests/bpf/prog_tests/refcounted_kptr.c:48:
+static void test_refcnt_leak(void *values, size_t values_sz, u64 flags, bool lock_hash)

WARNING: Missing a blank line after declarations
#41: FILE: tools/testing/selftests/bpf/prog_tests/refcounted_kptr.c:53:
+	struct bpf_map *map;
+	LIBBPF_OPTS(bpf_test_run_opts, opts,

WARNING: line length of 85 exceeds 80 columns
#55: FILE: tools/testing/selftests/bpf/prog_tests/refcounted_kptr.c:67:
+	ret = bpf_map__update_elem(map, &key, sizeof(key), values, values_sz, flags);

WARNING: line length of 85 exceeds 80 columns
#69: FILE: tools/testing/selftests/bpf/prog_tests/refcounted_kptr.c:81:
+	ret = bpf_map__update_elem(map, &key, sizeof(key), values, values_sz, flags);

WARNING: line length of 83 exceeds 80 columns
#136: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr.c:571:
+static int __insert_in_list(struct bpf_list_head *head, struct bpf_spin_lock *lock,

CHECK: spaces preferred around that '*' (ctx:WxO)
#137: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr.c:572:
+			    struct node_data __kptr **node)
 			                            ^

CHECK: No space is necessary after a cast
#157: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr.c:592:
+	ref = (void *) &m->ref;

CHECK: Comparison to NULL could be written "!v->node"
#196: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr.c:631:
+	return v && v->node == NULL;

CHECK: spaces preferred around that '*' (ctx:WxV)
#200: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr.c:635:
+	struct node_data __kptr *node;
 	                        ^

CHECK: Comparison to NULL could be written "!v->node"
#234: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr.c:669:
+	return v && v->node == NULL;

total: 0 errors, 5 warnings, 5 checks, 201 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 736e05e64711 ("selftests/bpf: Add test to verify no memleak when updating hash maps") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 5 warnings, 5 checks, 201 lines checked